Across
- 4. brilliant German astronomer and mathematician
- 7. Method step-by-step process of discovery
- 8. state the problem
- 11. Englishman who devoted his life to understanding how truth is determined
- 12. single force that keeps planets in orbit around sun
- 13. branch of mathematics
- 14. collect, record, and analyze data
- 16. possible explanation
- 18. experiment to test the hypothesis
Down
- 1. Italian astronomer, assembled the first telescope
- 2. to go against
- 3. astronomer who discovered why planets moved the way they did
- 5. sun-centered model of universe
- 6. Frenchman who devoted his life to understanding how truth is determined
- 7. gather information on the problem
- 9. a person who is an expert in the study of knowledge
- 10. Copernicus polish scholar, published "On the revolutions of the heavenly spheres
- 15. draw conclusions
- 17. form a hypothesis-educated guess
- 18. communicate, share data, answer questions